CN109331887A - A kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the technique and system of reuse - Google Patents
A kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the technique and system of reuse Download PDFInfo
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- CN109331887A CN109331887A CN201811180546.4A CN201811180546A CN109331887A CN 109331887 A CN109331887 A CN 109331887A CN 201811180546 A CN201811180546 A CN 201811180546A CN 109331887 A CN109331887 A CN 109331887A
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- regenerated
- exchanger
- prime
- canons
- anions
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Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 44
- 150000001450 anions Chemical class 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002253 acid Substances 0.000 title claims abstract description 25
- 239000003513 alkali Substances 0.000 title claims abstract description 18
- 238000001727 in vivo Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000005406 washing Methods 0.000 claims abstract description 31
- 230000008929 regeneration Effects 0.000 claims abstract description 29
- 238000011069 regeneration method Methods 0.000 claims abstract description 29
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000001172 regenerating effect Effects 0.000 claims abstract description 14
- 238000005342 ion exchange Methods 0.000 claims abstract description 6
- 150000001768 cations Chemical class 0.000 claims description 14
- 238000010979 pH adjustment Methods 0.000 claims description 12
- 230000002378 acidificating effect Effects 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000008235 industrial water Substances 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 239000003456 ion exchange resin Substances 0.000 abstract description 2
- 229920003303 ion-exchange polymer Polymers 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 102000016955 Erythrocyte Anion Exchange Protein 1 Human genes 0.000 description 2
- 108010014384 Erythrocyte Anion Exchange Protein 1 Proteins 0.000 description 2
- 238000005349 anion exchange Methods 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 239000012492 regenerant Substances 0.000 description 2
- 102000006786 Chloride-Bicarbonate Antiporters Human genes 0.000 description 1
- 108091006260 SLC4A2 Proteins 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/04—Mixed-bed processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/60—Cleaning or rinsing ion-exchange beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/80—Automatic regeneration
- B01J49/85—Controlling or regulating devices therefor
Abstract
The present invention relates to techniques and system that a kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects reuse.Ion exchange resin is most common a kind of technique in pure water technique processed.Internal regenerated anions and canons exchanger, regenerates process are as follows: off-the-line → small reverse washing → displacement → is rinsed → falling in lines → and just washed；Existing regenerative wastewater discharge is collected, the technique of processing, and the waste water of generation is more, and multiplexing and processing are all more difficult.The present invention is realized by increasing 2 multiplexing water pumps and Liquid level newly to ion exchange system by the regeneration draining sub-prime in the flush discharge of regeneration stage and displacement stage is collected, sub-prime is multiplexed；Design is optimized in water pump configuration, the start and stop of regeneration step sequence and neutralization pond for ion-exchanger, ion-exchanger regeneration stage flushing water and regenerative wastewater sub-prime can be collected reuse, reduce 50% or more regenerated water.
Description
Technical field
The present invention relates to a kind of techniques that regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime collects reuse in vivo
And system.
Background technique
Ion exchange resin is most common a kind of technique in pure water technique processed, and such as application No. is 89101308.3 China
Patent.Internal regenerated anions and canons exchanger regenerates process are as follows: and off-the-line → small reverse washing → displacement → rinses → falls in lines → just
It washes；
It is loosened 1. small reverse washing rinses resin, reaches the optimum state of displacement；
2. batch meter soda acid outlet portal is opened, replaced into soda acid；
3. cation bed is rinsed to acidity of water < 5mmol/L out after the completion of displacement, anion bed is rinsed to 100 μ s/cm of conductivity, is rinsed and is closed
Fall in lines after lattice；
4. before putting into operation, just washed, it is qualified until just washing draining.
What the regeneration of anions and canons exchanger was all made of with water is demineralized water, and a general regeneration period is about 3 hours left sides
It is right.Anions and canons exchanger regenerative wastewater passes through gutter and drains into outdoor neutralization pond, and waste water is after pH is adjusted to multiplexing water
Pond multiplexing.The process of cation and anion exchange device regeneration draining is as shown in Figure 1, the discharge of this regenerative wastewater, collection, the work handled
The waste water of skill, generation is more, and multiplexing and processing are all more difficult.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide it is a kind of in vivo it is regenerated yin,
The regenerated acid and alkali waste water sub-prime of cation exchanger collects the new process of reuse, and the regeneration for ion-exchanger walks sequence and neutralization
Design is optimized in water pump configuration, the start and stop in pond, can be by ion-exchanger regeneration stage flushing water and regenerative wastewater sub-prime
Reuse is collected, 50% or more regenerated water is reduced.
The present invention solve the above problems used by technical solution be: it is a kind of in vivo regenerated anions and canons exchanger again
The technique that raw acidic and alkaline waste water sub-prime collects reuse, which is characterized in that by increasing 2 multiplexing water pumps and liquid newly to ion exchange system
Position control is realized the regeneration draining sub-prime in the flush discharge of regeneration stage and displacement stage is collected, sub-prime is multiplexed；Regeneration in vivo
Anions and canons exchanger regeneration process are as follows: off-the-line → small reverse washing → displacement → is rinsed → falling in lines → and is just washed, and technique is such as
Under:
(1) resin is rinsed and is loosened by small reverse washing, reaches the optimum state of displacement；After small reverse washing, start newly-increased multiplexing water pump,
Small reverse washing draining is delivered to circulation or industrial water system multiplexing, up to neutralization pond to minimum liquid level；Small reverse washing draining
Total dissolved solid is low, turbidity is low, hardness is low, and water quality is preferable, meets multiplexing condition；
(2) batch meter soda acid outlet portal is opened, and is replaced into soda acid；The draining of displacement stage belongs to acidic and alkaline waste water, by former draining pump and again
Raw system is chain, after displacement and pH are adjusted, starts former draining pump, acidic and alkaline waste water is multiplexed to slagging-off or grey field and is sprayed, directly
To neutralization pond to minimum liquid level；
(3) it before the yin, yang bed after regenerating puts into operation, is just washed, reaches requirement until just washing draining；After just washing, starting
Newly-increased multiplexing water pump will just wash draining and be delivered to circulation or industrial water system multiplexing, up to neutralization pond to minimum liquid level；
It is just washing using demineralized water, is just washing that the total dissolved solid of draining is low, turbidity is low, hardness is low, water quality is preferable, meets multiplexing item
Part.
Furthermore, the regenerated sequential control of anions and canons exchanger is made full use of, can reach and reduce acidic and alkaline waste water amount
50% or more.
Above-mentioned regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the system in the technique of reuse,
It is characterised in that it includes cation exchanger, anion exchanger, gutter, neutralization pond, pH adjustment device, newly-increased multiplexing water
Pump, newly-increased multiplexing pipeline, former draining pump and former multiplexing pipeline；The regeneration of the cation exchanger and anion exchanger drains
Mouth is connected to gutter, and the gutter is connected to neutralization pond, and the neutralization pond is connected with pH adjustment device, described newly-increased multiple
With water pump and neutralization pond and newly-increased multiplexing pipeline connection, the original draining pump and neutralization pond and former multiplexing pipeline connection.
Furthermore, the newly-increased multiplexing water pump and former draining pump parallel arrangement.
Furthermore, the pH adjustment device includes acidity adjustment device and basicity adjustment device.
Compared with prior art, the present invention having the following advantages that and effect: the present invention takes full advantage of anions and canons exchange
The regenerated sequential control of device is realized by newly-increased multiplexing water pump and Liquid level by the flush discharge and displacement of regeneration stage
The function that the regeneration score sub-prime collection in stage, sub-prime are multiplexed, the present invention improve the collection of regenerative wastewater sub-prime, separate-recycling
The reclamation rate of water can reach and reduce acidic and alkaline waste water amount 50% or more.
Detailed description of the invention
Fig. 1 is existing cation and anion exchange device regeneration drainage flow path schematic diagram in the present invention.
Fig. 2 is the work that regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime collects reuse in the embodiment of the present invention
Skill flow diagram.
Fig. 3 be in the embodiment of the present invention regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime collect reuse be
System structural schematic diagram.
In figure: cation exchanger 1, anion exchanger 2, gutter 3, neutralization pond 4, pH adjustment device 5, newly-increased multiplexing
Water pump 6, newly-increased multiplexing pipeline 7, former draining pump 8, former multiplexing pipeline 9.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment 1.
Referring to Fig. 1 to Fig. 3, a kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects reuse
Technique is realized the flush discharge of regeneration stage and is set by increasing 2 multiplexing water pumps and Liquid level newly to ion exchange system
Change the collection of regeneration draining sub-prime, the sub-prime multiplexing in stage；The regeneration process of internal regenerated anions and canons exchanger are as follows: off-the-line
→ small reverse washing → displacement → rinses → falling in lines → and just washes, technique is as follows:
(1) resin is rinsed and is loosened by small reverse washing, reaches the optimum state of displacement；After small reverse washing, start newly-increased multiplexing water pump
6, small reverse washing draining is delivered to circulation or industrial water system is multiplexed, until neutralization pond 4 arrives minimum liquid level；Small reverse washing row
The total dissolved solid of water is low, turbidity is low, hardness is low, and water quality is preferable, meets multiplexing condition；
(2) batch meter soda acid outlet portal is opened, and is replaced into soda acid；The draining of displacement stage belongs to acidic and alkaline waste water, by former draining pump 8 and again
Raw system is chain, after displacement and pH are adjusted, starts former draining pump 8, acidic and alkaline waste water is multiplexed to slagging-off or grey field and is sprayed, directly
Minimum liquid level is arrived to neutralization pond 4；
(3) it before the yin, yang bed after regenerating puts into operation, is just washed, reaches requirement until just washing draining；After just washing, starting
Newly-increased multiplexing water pump 6 will just wash draining and be delivered to circulation or industrial water system multiplexing, until neutralization pond 4 arrives minimum liquid
Position；It is just washing using demineralized water, is just washing that the total dissolved solid of draining is low, turbidity is low, hardness is low, water quality is preferable, meets multiplexing
Condition.
The regenerated sequential control of anions and canons exchanger is made full use of, can reach and reduce 50% or more acidic and alkaline waste water amount.
Referring to Fig. 3, above-mentioned regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo is collected in the technique of reuse
System, including cation exchanger 1, anion exchanger 2, gutter 3, neutralization pond 4, pH adjustment device 5, newly-increased multiplexing water
Pump 6, newly-increased multiplexing pipeline 7, former draining pump 8 and former multiplexing pipeline 9；The regeneration of cation exchanger 1 and anion exchanger 2 is arranged
The mouth of a river is connected to gutter 3, and gutter 3 is connected to neutralization pond 4, and neutralization pond 4 is connected with pH adjustment device 5, increases multiplexing water newly
Pump 6 is connected to neutralization pond 4 and newly-increased multiplexing pipeline 7, and former draining pump 8 is connected to neutralization pond 4 and former multiplexing pipeline 9.Newly-increased multiplexing
Water pump 6 and former draining pump 8 are arranged in parallel, and it includes that acidity adjustment device and basicity adjust device that pH, which adjusts device 5,.
Embodiment 2.
The ion exchange regenerant step sequence of Hebei thermal power plant is following (for cation bed):
Small reverse washing (20min) → slow rinse (cation bed 50min) → is just washed (50min), and regeneration water pump flow is 20t/h.It can be with
Calculate that cation bed regeneration is primary to generate regenerative wastewater 40t, by pH adjustment treated regenerative wastewater total dissolved solidss content (TDS)
About 4000 mg/L.
After this technology is transformed, 2 multiplexing pumps are increased newly, the small reverse washing of primary recycling is drained to and just washed the total 23t of draining,
It is multiplexed by newly-increased multiplexing pump to recirculated water and industrial water system after collection；After the slow rinse stage is drained total 17t collection
Slagging-off or grey field multiplexing are delivered to by original draining pump.To reducing sour wastewater flow rate 57%, again by pH adjustment treated acid
Raw waste water total dissolved solidss content (TDS) about 9000 mg/L.
Embodiment 3.
The ion exchange regenerant step sequence of Shandong thermal power plant is following (for anion bed):
Small reverse washing (20min) → slow rinse (anion bed 70min) → is just washed (50min), and regeneration water pump flow is 15t/h.It can be with
Calculate that anion bed regeneration is primary to generate regenerative wastewater 35t, by pH adjustment treated regenerative wastewater total dissolved solidss content (TDS)
About 4500 mg/L.
After this technology is transformed, 2 multiplexing pumps are increased newly, the small reverse washing of primary recycling is drained and just wash draining altogether
17.5t is multiplexed by newly-increased multiplexing pump to recirculated water and industrial water system after collection；Altogether by the draining of slow rinse stage
17.5t is delivered to slagging-off by original draining pump after collecting or grey field is multiplexed.To reduce alkali waste water amount 50%, adjusted by pH
Treated alkali regenerative wastewater total dissolved solidss content (TDS) about 11000 mg/L.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology changes and retouches made without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (5)
1. a kind of technique that regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime collects reuse in vivo, which is characterized in that
By increasing 2 multiplexing water pumps and Liquid level newly to ion exchange system, realize the flush discharge of regeneration stage and displacement rank
The regeneration draining sub-prime of section is collected, sub-prime is multiplexed；The regeneration process of internal regenerated anions and canons exchanger are as follows: off-the-line → small
Backwash → displacement → is rinsed → falling in lines → and is just washed, technique is as follows:
(1) resin is rinsed and is loosened by small reverse washing, reaches the optimum state of displacement；After small reverse washing, start newly-increased multiplexing water pump,
Small reverse washing draining is delivered to circulation or industrial water system multiplexing, up to neutralization pond to minimum liquid level；
(2) batch meter soda acid outlet portal is opened, and is replaced into soda acid；The draining of displacement stage belongs to acidic and alkaline waste water, by former draining pump and again
Raw system is chain, after displacement and pH are adjusted, starts former draining pump, acidic and alkaline waste water is multiplexed to slagging-off or grey field and is sprayed, directly
To neutralization pond to minimum liquid level；
(3) it before the yin, yang bed after regenerating puts into operation, is just washed, reaches requirement until just washing draining；After just washing, starting
Newly-increased multiplexing water pump will just wash draining and be delivered to circulation or industrial water system multiplexing, up to neutralization pond to minimum liquid level.
2. regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo according to claim 1 collects reuse
Technique, which is characterized in that make full use of the regenerated sequential control of anions and canons exchanger, can reach and reduce acidic and alkaline waste water amount 50%
More than.
3. a kind of internal regenerated anions and canons exchanger regenerated acid as described in any one of claim 1-2 claim
Alkali waste water sub-prime collects the system in the technique of reuse, which is characterized in that internal regenerated anions and canons exchanger regenerated acid and alkali
Waste water sub-prime collect reuse system include cation exchanger, anion exchanger, gutter, neutralization pond, pH adjustment device,
Newly-increased multiplexing water pump, newly-increased multiplexing pipeline, former draining pump and former multiplexing pipeline；The cation exchanger and anion exchanger
Regeneration discharge outlet be connected to gutter, the gutter is connected to neutralization pond, the neutralization pond be connected with pH adjustment device,
The newly-increased multiplexing water pump and neutralization pond and newly-increased multiplexing pipeline connection, the original draining pump and neutralization pond and former multiplexing pipeline connect
It is logical.
4. regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo according to claim 3 collects reuse
System, which is characterized in that the newly-increased multiplexing water pump and former draining pump parallel arrangement.
5. regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo according to claim 3 collects reuse
System, which is characterized in that the pH adjustment device includes acidity adjustment device and basicity adjustment device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180546.4A CN109331887A (en) | 2018-10-11 | 2018-10-11 | A kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the technique and system of reuse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180546.4A CN109331887A (en) | 2018-10-11 | 2018-10-11 | A kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the technique and system of reuse |
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| CN109331887A true CN109331887A (en) | 2019-02-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668543A (en) * | 2019-10-24 | 2020-01-10 | 浙江新中港清洁能源股份有限公司 | Ion exchange regeneration wastewater recovery system |
| CN111001445A (en) * | 2019-12-26 | 2020-04-14 | 华电电力科学研究院有限公司 | System and method for recycling weak acid cation bed regeneration wastewater of thermal power plant according to quality |
| CN112875800A (en) * | 2021-01-07 | 2021-06-01 | 华电电力科学研究院有限公司 | Acid-base regeneration wastewater reduction process for wastewater zero discharge project |
| CN113499805A (en) * | 2021-07-29 | 2021-10-15 | 鄯善万顺发新能源科技有限公司 | Method for regenerating purifying column of ultrapure water purifier |
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| CN112875800A (en) * | 2021-01-07 | 2021-06-01 | 华电电力科学研究院有限公司 | Acid-base regeneration wastewater reduction process for wastewater zero discharge project |
| CN113499805A (en) * | 2021-07-29 | 2021-10-15 | 鄯善万顺发新能源科技有限公司 | Method for regenerating purifying column of ultrapure water purifier |
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